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1213404010404 = 223939110767437
BaseRepresentation
bin10001101010000100100…
…000111101011110100100
311022000000012201101112020
4101222010200331132210
5124340022411313104
62325232523023140
7153444165624405
oct21520440753644
94260005641466
101213404010404
11428668a26543
121771ba66aab0
138a5675a3501
1442a2c7bd9ac
152186b8442d9
hex11a8483d7a4

1213404010404 has 24 divisors (see below), whose sum is σ = 2831577775488. Its totient is φ = 404424896160.

The previous prime is 1213404010387. The next prime is 1213404010439. The reversal of 1213404010404 is 4040104043121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5271027 + ... + 5496410.

It is an arithmetic number, because the mean of its divisors is an integer number (117982407312).

Almost surely, 21213404010404 is an apocalyptic number.

It is an amenable number.

1213404010404 is an abundant number, since it is smaller than the sum of its proper divisors (1618173765084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213404010404 is a wasteful number, since it uses less digits than its factorization.

1213404010404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776835 (or 10776833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1213404010404 its reverse (4040104043121), we get a palindrome (5253508053525).

The spelling of 1213404010404 in words is "one trillion, two hundred thirteen billion, four hundred four million, ten thousand, four hundred four".

Divisors: 1 2 3 4 6 12 9391 18782 28173 37564 56346 112692 10767437 21534874 32302311 43069748 64604622 129209244 101117000867 202234001734 303351002601 404468003468 606702005202 1213404010404